Results 21 to 30 of about 6,018 (181)

A preliminary study of three-dimensional reconstruction of the human osseous labyrinth from micro-computed tomography scans [PDF]

open access: yes, 2013
The adult human temporal bone was investigated using micro-CT scans. Various aspects of the osseous labyrinth were presented in figures which are effect of the volume rendering.
Skrzat, J., Walocha, J., Wróbel, A.
core   +5 more sources

An exploratory study to detect Ménière’s disease in conventional MRI scans using radiomics

open access: yesFrontiers in Neurology, 2016
ObjectiveThe purpose of this exploratory study was to investigate whether a quantitative image analysis of the labyrinth in conventional MRI scans using a radiomics approach showed differences between patients with Ménière’s disease and the control group.
E. L. van den Burg   +8 more
doaj   +1 more source

First Natural Endocranial Cast of a Fossil Snake (Cretaceous of Patagonia, Argentina) [PDF]

open access: yes, 2017
In this study, we describe a natural endocranial cast included in a partially preserved medium‐sized skull of the Upper Cretaceous South American snake Dinilysia patagonica.
Albino, Adriana Maria   +3 more
core   +2 more sources

Protons as Messengers of Intercellular Communication in the Nervous System

open access: yesFrontiers in Cellular Neuroscience, 2018
In this review, evidence demonstrating that protons (H+) constitute a complex, regulated intercellular signaling mechanisms are presented. Given that pH is a strictly regulated variable in multicellular organisms, localized extracellular pH changes may ...
Enrique Soto   +2 more
doaj   +1 more source

Do Inner Ear and Mastoid Bone Structural Variations Have a Determining Role on Vestibular Symptoms of Migraine?

open access: yesHaseki Tıp Bülteni, 2021
Aim:To investigate the possible relationship between morphological changes caused by anatomical structural differences and functional impairment in Vestibular migraine (VM) and Chronic Migraine (CM) disease.Methods:A total of 44 patients (VM group; 23 ...
Zehra Cinar   +4 more
doaj   +1 more source

Postural responses of galvanic vestibular stimulation: comparison between groups of older adults and young people

open access: yesRevista Brasileira de Geriatria e Gerontologia, 2020
Objective: To evaluate the effect of vestibular manipulation on the postural sway and muscle activation of younger and older adults. Methods: The study analyzed the effects of three intensity levels of galvanic vestibular stimulation (GVS) (0.3; 0.6 and
Regiane Luz Carvalho   +3 more
doaj   +2 more sources

The Correlation of a 2D Volume-Referencing Endolymphatic-Hydrops Grading System With Extra-Tympanic Electrocochleography in Patients With Definite Ménière's Disease

open access: yesFrontiers in Neurology, 2021
Background: Although magnetic resonance imaging (MRI) of the membranous labyrinth and electrocochleography (ECochG) have been used to diagnose endolymphatic hydrops (ELH) in patients with Ménière's disease (MD), the relationship between imaging and ...
Baihui He   +32 more
doaj   +1 more source

Triangular labyrinth fractals [PDF]

open access: yesFractals, Vol. 27, No. 8 (2019) 1959131 (31 pages), 2020
We define and study a class of fractal dendrites called triangular labyrinth fractals. For the construction, we use triangular labyrinth patterns systems that consist of two triangular patterns: a white and a yellow one. Correspondingly, we have two fractals: a white and a yellow one.
arxiv   +1 more source

Consumer Demand for Online Dizziness Information: If You Build It, They May Come

open access: yesFrontiers in Neurology, 2014
Objective: Dizziness is a common reason patients present to doctors, but effective diagnostic tests and treatments for dizziness are underused. The internet is a way to disseminate medical information and is emerging as an intervention platform.
Kevin A Kerber   +6 more
doaj   +1 more source

Mixed labyrinth fractals [PDF]

open access: yesTopology and its Applications, Vol.22 (2017), 112-125, 2020
Labyrinth fractals are self-similar fractals that were introduced and studied in recent work by Cristea and Steinsky. In the present paper we define and study more general objects, called mixed labyrinth fractals, that are in general not self-similar and are constructed by using sequences of labyrinth patterns. We show that mixed labyrinth fractals are
arxiv   +1 more source

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